Phone booth



FIG. 1 is a front perspective view of a phone booth;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof; and,

FIG. 6 is a top view thereof.

The broken lines depict portions of the phone booth that form no part of the claimed design. 

CLAIM The ornamental design for a phone booth, as shown and described. 